Iron



FIG. 1 is a perspective view as seen from the top, front and right side of an iron showing the new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a perspective view as seen from the top, rear and left thereof.

The broken lines shown in drawings represent unclaimed portions of the iron that form no part of the claimed design. 

The ornamental design for an iron, as shown and described. 